At first, Piper had a moment of resistance where she grabbed them and tried to push them off her head. But once they were in place, the little girl smiled and seemed to be enjoying seeing clearly.

Sinclair wrote on Facebook that she discovered her daughter needed glasses after taking her for a checkup to find out why she wasn’t crawling. At first, the doctor thought she had an astigmatism. But it turned out she was extremely farsighted.

The video was posted a month ago and has gone viral. As of late Monday morning it had more than 18 million views.